[INFO] cloning repository https://github.com/nsdavidson/pingpong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsdavidson/pingpong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9982408017622b6d01538f60adb744830e834960
[INFO] testing nsdavidson/pingpong against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsdavidson/pingpong on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nsdavidson/pingpong
[INFO] finished tweaking git repo https://github.com/nsdavidson/pingpong
[INFO] tweaked toml for git repo https://github.com/nsdavidson/pingpong written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nsdavidson/pingpong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad5a522dc2e846af011f4769d8616cd6ea5f412834a7c8cbcafc6c5c50919e62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad5a522dc2e846af011f4769d8616cd6ea5f412834a7c8cbcafc6c5c50919e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5a522dc2e846af011f4769d8616cd6ea5f412834a7c8cbcafc6c5c50919e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5a522dc2e846af011f4769d8616cd6ea5f412834a7c8cbcafc6c5c50919e62", kill_on_drop: false }`
[INFO] [stdout] ad5a522dc2e846af011f4769d8616cd6ea5f412834a7c8cbcafc6c5c50919e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67984e1560f05a9169e741d1ca7c5ade2d847aa337ef95ca33b7b2190a382807
[INFO] running `Command { std: "docker" "start" "-a" "67984e1560f05a9169e741d1ca7c5ade2d847aa337ef95ca33b7b2190a382807", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling protobuf v1.0.24
[INFO] [stderr]    Compiling zmq-sys v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stderr]    Compiling zmq v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:139:28
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == m.type_id()
[INFO] [stdout]     |                            ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `core::Message`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == core::Message::type_id(&m)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == std::any::Any::type_id(&m)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "67984e1560f05a9169e741d1ca7c5ade2d847aa337ef95ca33b7b2190a382807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67984e1560f05a9169e741d1ca7c5ade2d847aa337ef95ca33b7b2190a382807", kill_on_drop: false }`
[INFO] [stdout] 67984e1560f05a9169e741d1ca7c5ade2d847aa337ef95ca33b7b2190a382807